Oaks of the World

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 Quercus coffeicolor
AuthorTrel. 1924
Synonymsaequivenulosa Trel. 1924
praineana Trel. 1924
Local names encino de asta; encino colorado;
Range Mexico (Jalisco, Nayarit, Sinaloa); 900-1900 m;
Growth habit 3-10 m tall; trunk to 20-30 cm in diameter; spreading crown;
Leaves 6-12 cm long; 3-4 wide; deciduous; elliptic, oblong or oval; apex rounded sometimes subacute, bristle-tipped; base rounded or subcordate, sometimes cuneate, often asymmetrical; margin entire, slightly thickened, flat, bristle-tipped at apex; shiny blue green, hairless above; yellowish coffee coloured beneath, hairless except axils hairtufts ; 6-8 veins pairs; epidermis smooth and papillose; petiole 1-2 cm long, hairless, reddish;
Flowers in February or March; male catkins 5-10 cm long, with hairy axis, many flowered; pistillate flowers 1 to 4, on a 1 cm long hairless peduncle;
Fruits acorn ovoid, 0.7-1.2 cm long, 1 to 4 together; very short stalk (less than 1 cm); enclosed 1/3 or less by cup; cup campanulate 0.7-1.5 cm in diameter; maturing in 1 year from June to September;

Bark, twigs and
buds

bark grey, scaly; twig slender (2-3 mm wide), bloomy, lustrous, grey or reddish, hairless when mature; numerous lenticels; bud 3-5 mm long, ovoid, obtuse, with ciliate scales;
Hardiness zone, habitaton rocky, dry soils;
Miscellaneous-- A. Camus : n° 347;
-- Section Lobatae;
-- Also written "prainiana" (Sylvia Romero Rangel);
-- For some Authors (Susana Valencia Avalos, Sylvia Romero Rangel), the synonymy is the same, but Q.praineana is the accepted name.
Subspecies and
varieties
 
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